Top 50
Company roadmap
Updated weekly · Last refresh Aug 30

Boston Consulting Group Interview Questions

The questions to prepare for Boston Consulting Group interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

50questions
~9htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 4 questions · ~43 min
2
SQL & Data Manipulation4 questions · ~43 min
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice

Calculate the monthly spending trends for customers using window functions and joins.

Boston Consulting Group
More SQL & Data Manipulation questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Machine Learning4 questions · ~43 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffBoston Consulting Group
More Machine Learning questions with a free account
4
Execution4 questions · ~43 min
Balancing Speed Quality and ScopeHard

Describe a time you had to choose between speed, quality, and scope, and how you aligned stakeholders around the trade-off.

Trade-offsRisk AssessmentScope ManagementBoston Consulting Group
More Execution questions with a free account
5
Model Evaluation4 questions · ~43 min
Evaluate Regression with RMSE and MAEEasy

Explain how to evaluate a regression model with RMSE and MAE, and how to interpret the tradeoff between average and large errors.

RegressionMAERMSEBoston Consulting Group
More Model Evaluation questions with a free account
6
Pipelines4 questions · ~43 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityBoston Consulting Group
More Pipelines questions with a free account
7
More topics26 questions · ~277 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisBoston Consulting Group
Pitfalls in Streaming Experiment AnalysisHard

Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.

Network InterferenceNovelty EffectSample Ratio MismatchBoston Consulting Group
More questions with a free account
The finish line: interview-readyComplete all 50 questions to finish this plan.